[INFO] crate rand-distributions 0.1.2 is already in cache
[INFO] testing rand-distributions-0.1.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rand-distributions 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rand-distributions 0.1.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rand-distributions 0.1.2
[INFO] finished tweaking crates.io crate rand-distributions 0.1.2
[INFO] tweaked toml for crates.io crate rand-distributions 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07f365bcc31c7f105ba4196f3f6e744f13f0faeba89fa28d7dd00fa1e25d13f4
[INFO] running `"docker" "start" "-a" "07f365bcc31c7f105ba4196f3f6e744f13f0faeba89fa28d7dd00fa1e25d13f4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand-distributions v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/random.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / macro_rules! random_simple_to_default_distribution {
[INFO] [stderr] 45 | |     ($ty:ty) => {
[INFO] [stderr] 46 | |         impl DefaultDistribution for $ty {
[INFO] [stderr] 47 | |             type Distribution = RandomSimpleDistribution<$ty>;
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/core.rs:46:24
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub trait Distribution {
[INFO] [stderr]    |           ------------ required by a bound in this
[INFO] [stderr] 9  |     type Output;
[INFO] [stderr]    |     ------------ required by this bound in `core::Distribution`
[INFO] [stderr] ...
[INFO] [stderr] 46 |     type Distribution: Distribution<Output=Self>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/core.rs:46:24
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub trait Distribution {
[INFO] [stderr]    |           ------------ required by a bound in this
[INFO] [stderr] 9  |     type Output;
[INFO] [stderr]    |     ------------ required by this bound in `core::Distribution`
[INFO] [stderr] ...
[INFO] [stderr] 46 |     type Distribution: Distribution<Output=Self>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr] 47 | 
[INFO] [stderr] 48 |     fn default_distribution() -> <Self as DefaultDistribution>::Distribution;
[INFO] [stderr]    |                                                                             - help: consider further restricting `Self`: `where Self: std::marker::Sized`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rand-distributions`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "07f365bcc31c7f105ba4196f3f6e744f13f0faeba89fa28d7dd00fa1e25d13f4"`
[INFO] running `"docker" "rm" "-f" "07f365bcc31c7f105ba4196f3f6e744f13f0faeba89fa28d7dd00fa1e25d13f4"`
[INFO] [stdout] 07f365bcc31c7f105ba4196f3f6e744f13f0faeba89fa28d7dd00fa1e25d13f4